aboutusOn = new Image();
aboutusOn.src = "/images/bt_aboutus_on.gif";
aboutusOff = new Image();
aboutusOff.src = "/images/bt_aboutus.gif";

holytrinityOn = new Image();
holytrinityOn.src = "/images/bt_holytrinity_on.gif";
holytrinityOff = new Image();
holytrinityOff.src = "/images/bt_holytrinity.gif";

gracehomeOn = new Image();
gracehomeOn.src = "/images/bt_gracehome_on.gif";
gracehomeOff = new Image();
gracehomeOff.src = "/images/bt_gracehome.gif";

gracevillageOn = new Image();
gracevillageOn.src = "/images/bt_gracevillage_on.gif";
gracevillageOff = new Image();
gracevillageOff.src = "/images/bt_gracevillage.gif";

clinicsOn = new Image();
clinicsOn.src = "/images/bt_clinics_on.gif";
clinicsOff = new Image();
clinicsOff.src = "/images/bt_clinics.gif";

outreachOn = new Image();
outreachOn.src = "/images/bt_outreach_on.gif";
outreachOff = new Image();
outreachOff.src = "/images/bt_outreach.gif";

newsOn = new Image();
newsOn.src = "/images/bt_news_on.gif";
newsOff = new Image();
newsOff.src = "/images/bt_news.gif";

medicalstaffOn = new Image();
medicalstaffOn.src = "/images/bt_medicalstaff_on.gif";
medicalstaffOff = new Image();
medicalstaffOff.src = "/images/bt_medicalstaff.gif";

employmentOn = new Image();
employmentOn.src = "/images/bt_employment_on.gif";
employmentOff = new Image();
employmentOff.src = "/images/bt_employment.gif";

linksOn = new Image();
linksOn.src = "/images/bt_links_on.gif";
linksOff = new Image();
linksOff.src = "/images/bt_links.gif";

homeOn = new Image();
homeOn.src = "/images/bt_home_on.gif";
homeOff = new Image();
homeOff.src = "/images/bt_home.gif";

function turnOn(imageName) {
	if(document.images) {
		document[imageName].src = eval(imageName + "On.src");
	}
}

function turnOff(imageName) {
	if(document.images) {
		document[imageName].src = eval(imageName + "Off.src");
	}
}